diff --git a/输出菱形 b/输出菱形
index e69de29..57d836c 100644
--- a/输出菱形
+++ b/输出菱形
@@ -0,0 +1,56 @@
+#include<stdio.h>
+
+void main()
+
+{
+       int i,j,k,a;
+
+       printf("请输入几行菱形:");
+
+       scanf("%d",&k);  
+
+       a=(k+1)/2;   
+
+       for(i=1;i<=a;i++)
+
+       {
+              for(j=1;j<=a-i;j++)
+
+              {
+                     printf(" ");
+
+              }
+
+              for(j=1;j<=2*i-1;j++)
+
+              {
+                     printf("*");
+
+              }
+
+              printf("\n");                      
+
+       }
+
+       for(i=k-a;i>=1;i--)
+
+       {
+              for(j=1;j<=a-i;j++)
+
+              {
+                     printf(" ");
+
+              }
+
+              for(j=1;j<=2*i-1;j++)
+
+              {
+                     printf("*");
+
+              }
+
+              printf("\n");        
+
+       }                                                      
+
+}
\ No newline at end of file